联邦调查局在袭击前检查了科罗拉多州一名高中枪手的社交媒体, The FBI reviewed a Colorado high school shooter’s social media before the attack but didn’t flag him as a threat.

联邦调查局调查了袭击前与一名科罗拉多州高中枪手有关的社交媒体活动,但根据多家新闻报道,没有将他确定为威胁。 The FBI investigated social media activity linked to a Colorado high school shooter prior to the attack but did not identify him as a threat, according to multiple news reports. 调查的重点是线上文章, 虽然官员没有透露内容的具体细节或个人为何没有被贴上标签。 The investigation focused on online posts, though officials have not disclosed specific details about the content or why the individual was not flagged. 这一事件使人们对监测数字通信对潜在的学校暴力的有效性表示关切。 The incident has raised concerns about the effectiveness of monitoring digital communications for potential school violence.